Storage structures 8 – Vector indexes
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This is part eight in my series on the internals of storage structures. After covering the standard storage types, on-disk rowstore, columnstore indexes, memory-optimized storage, and memory-optimized columnstores, I moved on to more specialized storage structures in parts 5, 6, and 7, where I covered XML indexes, JSON indexes, and spatial indexes. In this part, I will look at an index type that has only been added very recently to the product: vector indexes. Supported versions Support for the vector data type, vector indexes, and vector search, was added as a preview feature in SQL Server 2025 and in Azure…
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